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Help needed hooking up 2 cabs to one Head

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  • Help needed hooking up 2 cabs to one Head

    I have a head that has switchable 4/8/16 ohms on the back. A 4x12 cab that has an input and daisy chain output when in mono, left and right when in stereo, and a switch for stereo/mono. And a 2x12 cab that has only one input. How do I set this up to run all 6x12's firing

  • #2
    Need more information. What's the ohms of the 4x12 in mono? What's the ohms of the 2x12? Does the amp have 1 or 2 speaker out jacks?

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    • #3
      You need this:

      http://www.tonebone.com/tb-headbone-ts.htm
      Dont believe in anything, that way everything is possible.

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      • #4
        You need this:

        http://www.tonebone.com/tb-headbone-ts.htm


        [COLOR="red"]DISREGARD!
        Originally Posted by telephant


        Tone is really half the argument. We both know ultimately it means nothing. Write a song. Write. A ****************ing. Song.



        UK based band;
        http://www.captainhorizon.co.uk

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        • #5
          cable up your cabs and put a multimeter to test ohms on the lead that would plug into your head. you need to be sure what impedance you're plugging into your amp
          =====
          Smooth transactions with: V-type (x2), torgeot, teflondog, spindlergallery , MrSandMan, mikerockstar, Sinster, dangolguitartec, sfam198, landbriancoe, Uberscha11,mttmg,andy43,jimithing5150,MattWV,alxml r789,fulcrumpoint,Inca Roads,Rgkchile,Mason Wells,Powerglide350,dustinoneil, chuckmehh, Further Lo, skaaks, Kano2864212, VTM, Adversor, dustman283







          Originally Posted by SweepLegatto


          The noise comes from the cabinet, not from the pots of the front panel.

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          • #6
            Need more information. What's the ohms of the 4x12 in mono? What's the ohms of the 2x12? Does the amp have 1 or 2 speaker out jacks?


            the 2x12 is 8 ohms, the 4x12 is 16ohms mono, 8ohms stereo

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            • #7
              the 2x12 is 8 ohms, the 4x12 is 16ohms mono, 8ohms stereo


              You already have your answer at TGP

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              • #8
                the 2x12 is 8 ohms, the 4x12 is 16ohms mono, 8ohms stereo


                Set head to 4 ohms and run both cabs in mono.
                PROLETARIAT







                Originally Posted by Norton666


                Man , Ive held off replying to any Klops threads because its kind of like the sweet , naive retarded kid down the street who is out putting in hours on his pogo stick every single night with dreams of someday going pro . You have to admire his ambition and determination , but at some point , he will realize he is retarded and there isnt a pro pogo stick league. I just dont wanna be the guy to tell him . Wait...............

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                • #9
                  Set head to 4 ohms and run both cabs in mono.
                  +1

                  With a 16 ohm cab and an 8 ohm cab, the total parallel ohm load that the amp will "see" is 5.33 ohms. Setting the amp to 4 (below the total load) will keep the amp safe. One thing to mention is that the 2x12 cab will be louder in this mismatch scenario.

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                  • #10
                    +1

                    With a 16 ohm cab and an 8 ohm cab, the total parallel ohm load that the amp will "see" is 5.33 ohms. Setting the amp to 4 (below the total load) will keep the amp safe. One thing to mention is that the 2x12 cab will be louder in this mismatch scenario.

                    ^You guys kick ass, thank you!!! This worked perfectly, absolutely brutal sounding and a completely different feel than using the 2x12 or 4x12 alone.

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                    • #11
                      As mentioned at TGP though, the speakers in the 2 x 12 are each getting four times the power the speakers in the 4 x 12 are receiving.

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                      • #12
                        ^Does that pose a threat to the amp or speakers? I def noticed a huge increase in low end and fullness of sound, enough to justify lugging around both cabs. The 2x12 is a much better cab(pine/handmade) with better speakers(v30's) so it doesnt bother me that it will be getting the majority of power

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                        • #13
                          running two identical cabs is ok, running mismatched cabs will probably cause phase cancellation and comb filtering side effects. I'd stick with one cab or the other in your situation.
                          great transactions with: pointblank73, duderanimous

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                          • #14
                            ^Does that pose a threat to the amp or speakers? I def noticed a huge increase in low end and fullness of sound, enough to justify lugging around both cabs. The 2x12 is a much better cab(pine/handmade) with better speakers(v30's) so it doesnt bother me that it will be getting the majority of power


                            Won't hurt anything, just means the 4 x 12 won't be doing much. Not really sure why you'd have any phase problems because of different impedances.

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                            • #15
                              Disagree on the phase cancellation and comb filtering; co-planar driver placement. The only thing that will "happen" is the 2x12 putting out more volume. Since it's loaded with 60w V30's, no sweat.

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